exponential
英 [,eksp?'nen?(?)l]
美['?ksp?'n?n??l]
暢通詞匯TOEFL
詞態(tài)變化
副詞:?exponentially;
助記提示
1. 指數(shù)：ex- "upward" + pon- + -ent. 表明指數(shù)放在既在上面又在外面的位置上。
2. exponent + -ial(復合后綴：-y, -al).
3. -ial在有些單詞的后面則是為了使-al后綴更合理、更合適地與-t, -c等字母結(jié)尾的單詞更有效的粘合在一起。
英文詞源
- exponential (adj.)
- 1704, from exponent + -ial. As a noun, from 1784. Related: Exponentially.
雙語例句
- 1. The policy tried to check the exponential growth of public expenditure.
- 該政策試圖控制公共開支的迅猛增長。
來自辭典例句
- 2. Populations tend to grow at an exponential rate.
- 人口趨向于以指數(shù)比率增長.
來自中級百科部分
- 3. The logarithmic function is defined as the inverse of the exponential function.
- 對數(shù)函數(shù)是作為指數(shù)函數(shù)的反函數(shù)來定義的.
來自辭典例句
- 4. The envelopes of the strain peaks is an exponential function.
- 應變峰值的包絡線是一個指數(shù)函數(shù).
來自辭典例句
- 5. The frictional dissipation will introduce an exponential decay.
- 摩擦耗散可導致指數(shù)式的衰減.
來自辭典例句